:root {
    --primary: #004BA8;
    --secondary: #3E78B2;
    --iron-gray: #4A525A;
    --shadow-gray: #24272B;
    --black: #07070A;
    --white: #ffffff;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Inter', sans-serif;
    color: var(--black);
    line-height: 1.6;
    background-color: var(--white);
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
}

.btn {
    display: inline-block;
    padding: 12px 24px;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 600;
    font-size: 14px;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
}

.btn-primary {
    background-color: var(--secondary);
    color: var(--white);
}

.btn-primary:hover {
    background-color: var(--primary);
}

.btn-secondary {
    background-color: var(--secondary);
    color: var(--white);
}

.btn-secondary:hover {
    background-color: var(--secondary);
}

.btn-large {
    padding: 16px 32px;
    font-size: 16px;
}

.header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    background-color: var(--white);
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    z-index: 1000;
}

.header-content {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 70px;
}

.logo {
    text-decoration: none;
}

.logo-text {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary);
    text-transform: uppercase;
}

.nav {
    display: flex;
    gap: 32px;
}

.nav a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    transition: color 0.3s ease;
}

.nav a:hover {
    color: var(--secondary);
}

.btn-header {
    padding: 10px 20px;
}

.mobile-menu-btn {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    border: none;
    cursor: pointer;
    padding: 5px;
}

.mobile-menu-btn span {
    display: block;
    width: 25px;
    height: 3px;
    background-color: var(--primary);
    border-radius: 2px;
    transition: all 0.3s ease;
}

.mobile-nav {
    display: none;
    position: fixed;
    top: 70px;
    left: 0;
    right: 0;
    background-color: var(--white);
    padding: 20px;
    flex-direction: column;
    gap: 16px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.1);
    z-index: 999;
}

.mobile-nav a {
    text-decoration: none;
    color: var(--primary);
    font-weight: 500;
    padding: 10px 0;
}

.mobile-nav.active {
    display: flex;
}

.hero {
    padding: 120px 0 60px;
    background-image: linear-gradient(rgba(0, 0, 0, 0.6), rgba(0, 0, 0, 0.6)), url('https://offcenter-spaces.sfo3.cdn.digitaloceanspaces.com/premolajes/background.png');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
}

.hero .container {
    text-align: center;
    max-width: 800px;
}

.hero-content {
    padding: 40px 0;
}

.hero-content h1 {
    font-size: 42px;
    line-height: 1.2;
    margin-bottom: 20px;
    color: var(--white);
}

.hero-content h1 span {
    color: var(--secondary);
}

.hero-content p {
    font-size: 18px;
    color: var(--white);
    margin-bottom: 30px;
    opacity: 0.9;
}

.image-placeholder {
    background: linear-gradient(135deg, var(--secondary), var(--secondary));
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    font-weight: 500;
    min-height: 300px;
}

.sobre {
    padding: 80px 0;
    text-align: center;
}

.sobre h2 {
    font-size: 32px;
    margin-bottom: 20px;
    color: var(--black);
}

.sobre p {
    max-width: 700px;
    margin: 0 auto;
    font-size: 18px;
    opacity: 0.8;
}

.sobre .destaque {
    margin-top: 20px;
    font-weight: 600;
    color: var(--secondary);
    opacity: 1;
}

.produtos {
    padding: 80px 0;
    background-color: var(--white);
}

.produtos h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: var(--black);
}

.produtos-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 30px;
}

.produto-card {
    background-color: var(--white);
    border-radius: 12px;
    padding: 24px;
    text-align: center;
    box-shadow: 0 4px 20px rgba(0,0,0,0.08);
    transition: transform 0.3s ease;
}

.produto-card:hover {
    transform: translateY(-5px);
}

.produto-image {
    margin-bottom: 20px;
    border-radius: 8px;
    overflow: hidden;
}

.produto-image img {
    width: 100%;
    height: 200px;
    object-fit: cover;
    display: block;
}

.produto-card h3 {
    font-size: 20px;
    margin-bottom: 12px;
    color: var(--black);
}

.produto-card p {
    font-size: 14px;
    margin-bottom: 20px;
    opacity: 0.7;
}

.cta-section {
    padding: 80px 0;
    background-color: var(--secondary);
    text-align: center;
}

.cta-section h2 {
    font-size: 32px;
    color: var(--white);
    margin-bottom: 16px;
}

.cta-section p {
    color: var(--white);
    opacity: 0.9;
    margin-bottom: 30px;
    font-size: 18px;
}

.cta-section .btn-primary {
    background-color: var(--secondary);
}

.cta-section .btn-primary:hover {
    background-color: var(--white);
    color: var(--primary);
}

.contato {
    padding: 80px 0;
}

.contato h2 {
    text-align: center;
    font-size: 32px;
    margin-bottom: 40px;
    color: var(--black);
}

.contato-info-center {
    display: flex;
    justify-content: center;
    gap: 60px;
    flex-wrap: wrap;
}

.info-item {
    text-align: center;
}

.info-item h4 {
    font-size: 14px;
    color: var(--secondary);
    margin-bottom: 4px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.info-item p {
    font-size: 18px;
    font-weight: 600;
    color: var(--black);
}

.footer {
    background-color: var(--shadow-gray);
    padding: 30px 0;
    text-align: center;
}

.footer p {
    color: var(--white);
    font-size: 14px;
    opacity: 0.8;
}

.whatsapp-float {
    position: fixed;
    bottom: 24px;
    right: 24px;
    width: 60px;
    height: 60px;
    background-color: #25D366;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--white);
    box-shadow: 0 4px 20px rgba(37, 211, 102, 0.4);
    transition: all 0.3s ease;
    z-index: 1000;
}

.whatsapp-float svg {
    width: 32px;
    height: 32px;
}

.whatsapp-float:hover {
    transform: scale(1.1);
    box-shadow: 0 6px 25px rgba(37, 211, 102, 0.5);
}

@media (max-width: 900px) {
    .hero-content h1 {
        font-size: 32px;
    }

    .produtos-grid {
        grid-template-columns: 1fr;
        max-width: 400px;
        margin: 0 auto;
    }

    .contato-info-center {
        flex-direction: column;
        gap: 30px;
    }

    .nav,
    .btn-header {
        display: none;
    }

    .mobile-menu-btn {
        display: flex;
    }
}

@media (max-width: 600px) {
    .hero {
        padding: 100px 0 40px;
    }

    .hero-content h1 {
        font-size: 28px;
    }

    .sobre,
    .produtos,
    .contato {
        padding: 60px 0;
    }

    .cta-section {
        padding: 60px 0;
    }

    .cta-section h2 {
        font-size: 24px;
    }

    .btn-large {
        padding: 14px 24px;
        font-size: 14px;
    }
}